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Merck

202878

Sigma-Aldrich

硼酸

99.999% trace metals basis

别名:

orthoboric acid

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10 G
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50 G
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250 G
$650.00

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10 G
$66.00
50 G
$188.00
250 G
$650.00

About This Item

线性分子式:
H3BO3
CAS号:
分子量:
61.83
EC號碼:
MDL號碼:
分類程式碼代碼:
12352300
PubChem物質ID:
NACRES:
NA.23

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蒸汽壓力

2.6 mmHg ( 20 °C)

品質等級

化驗

99.999% trace metals basis

形狀

crystalline powder

mp

160 °C (dec.) (lit.)

溶解度

water: 49.2 g/L at 20 °C

密度

1.49 g/cm3 at 23 °C

SMILES 字串

OB(O)O

InChI

1S/BH3O3/c2-1(3)4/h2-4H

InChI 密鑰

KGBXLFKZBHKPEV-UHFFFAOYSA-N

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一般說明

硼酸是一种弱的一元酸,它可接受OH- 离子,因此是一种路易斯酸。在硼酸中,B是sp2 杂化的,并形成平面三角形结构。硼的主要氧化物,B2O3可通过在红热下使硼酸脱水获得玻璃状固体。

應用

硼酸用途广泛,可用作玻璃工业中的阻燃剂,也用于缓冲液配制。
硼酸适用多个领域,例如


  • 用在玻璃纤维中,增强其耐受性和颜色
  • 用于上釉陶瓷器皿
  • 作为缩合剂、化学中间体,和作为制备硼酸盐和其他硼基化合物的前体
  • 作为核反应堆中的水冷却剂
  • 用于电解电容器和电容器1

包裝

塑料瓶包装

象形圖

Health hazard

訊號詞

Danger

危險聲明

危險分類

Repr. 1B

儲存類別代碼

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges


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